Ticked attaches gem5's event queue/scheduler to evaluate calls and provides a start/stop interface to ticking. More...

#include <ticked_object.hh>

Inheritance diagram for Ticked:

Public Member Functions
	Ticked (ClockedObject &object_, Stats::Scalar *imported_num_cycles=NULL, Event::Priority priority=Event::CPU_Tick_Pri)

virtual	~Ticked ()

void	regStats ()
	Register {num,ticks}Cycles if necessary. More...

void	start ()
	Start ticking. More...

Cycles	cyclesSinceLastStopped () const
	How long have we been stopped for? More...

void	resetLastStopped ()
	Reset stopped time to current time. More...

void	stop ()
	Cancel the next tick event and issue no more. More...

void	serialize (CheckpointOut &cp) const override
	Checkpoint lastStopped. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

virtual void	evaluate ()=0
	Action to call on the clock tick. More...

virtual void	countCycles (Cycles delta)
	Callback to handle cycle statistics and probes. More...

Public Member Functions inherited from Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Protected Member Functions
void	processClockEvent ()
	Evaluate and reschedule. More...

Protected Attributes
ClockedObject &	object
	ClockedObject who is responsible for this Ticked's actions/stats. More...

EventFunctionWrapper	event
	The wrapper for processClockEvent. More...

bool	running
	Have I been started? and am not stopped. More...

Cycles	lastStopped
	Time of last stop event to calculate run time. More...

Stats::Scalar &	numCycles
	Total number of cycles either ticked or spend stopped. More...

Stats::Scalar	tickCycles
	Number of cycles ticked. More...

Stats::Formula	idleCycles
	Number of cycles stopped. More...

Private Attributes
Stats::Scalar *	numCyclesLocal
	Locally allocated stats. More...

Additional Inherited Members
Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Get the fully-qualified name of the active section. More...

static void	serializeAll (const std::string &cpt_dir)

static void	unserializeGlobals (CheckpointIn &cp)

Static Public Attributes inherited from Serializable
static int	ckptCount = 0

static int	ckptMaxCount = 0

static int	ckptPrevCount = -1

Detailed Description

Ticked attaches gem5's event queue/scheduler to evaluate calls and provides a start/stop interface to ticking.

Ticked is not a ClockedObject but can be attached to one by inheritance and by calling regStats, serialize/unserialize

Definition at line 60 of file ticked_object.hh.

Constructor & Destructor Documentation

◆ Ticked()

Ticked::Ticked	(	ClockedObject &	object_,
		Stats::Scalar *	imported_num_cycles = `NULL`,
		Event::Priority	priority = `Event::CPU_Tick_Pri`
	)

Definition at line 45 of file ticked_object.cc.

References lastStopped, name(), numCycles, numCyclesLocal, processClockEvent(), and running.

◆ ~Ticked()

virtual Ticked::~Ticked ( )

inlinevirtual

Definition at line 97 of file ticked_object.hh.

References regStats().

Member Function Documentation

◆ countCycles()

virtual void Ticked::countCycles ( Cycles delta )

inlinevirtual

Callback to handle cycle statistics and probes.

This callback is called at the beginning of a new cycle active cycle and when restarting the ticked object. The delta parameter indicates the number of cycles elapsed since the previous call is normally '1' unless the object has been stopped and restarted.

Parameters

delta Number of cycles since the previous call.

Definition at line 160 of file ticked_object.hh.

Referenced by processClockEvent(), and start().

◆ cyclesSinceLastStopped()

Cycles Ticked::cyclesSinceLastStopped ( ) const

inline

How long have we been stopped for?

Definition at line 118 of file ticked_object.hh.

References lastStopped.

Referenced by start().

◆ evaluate()

virtual void Ticked::evaluate ( )

pure virtual

Action to call on the clock tick.

Implemented in Minor::Pipeline.

Referenced by processClockEvent(), and stop().

◆ processClockEvent()

void Ticked::processClockEvent ( )

protected

Evaluate and reschedule.

Definition at line 59 of file ticked_object.cc.

References countCycles(), evaluate(), event, numCycles, running, and tickCycles.

Referenced by Ticked().

◆ regStats()

void Ticked::regStats ( )

Register {num,ticks}Cycles if necessary.

If numCycles is imported, be sure to register it before calling this regStats

Definition at line 69 of file ticked_object.cc.

References Stats::DataWrap< Derived, InfoProxyType >::desc(), idleCycles, name(), Stats::DataWrap< Derived, InfoProxyType >::name(), numCycles, numCyclesLocal, and tickCycles.

Referenced by Minor::Pipeline::regStats(), TickedObject::regStats(), and ~Ticked().

◆ resetLastStopped()

void Ticked::resetLastStopped ( )

inline

Reset stopped time to current time.

Definition at line 125 of file ticked_object.hh.

Referenced by stop().

◆ serialize()

void Ticked::serialize ( CheckpointOut & cp ) const

overridevirtual

Checkpoint lastStopped.

Implements Serializable.

Reimplemented in TickedObject.

Definition at line 88 of file ticked_object.cc.

References lastStopped, and paramOut().

Referenced by TickedObject::serialize(), and stop().

◆ start()

void Ticked::start ( )

inline

Start ticking.

Definition at line 105 of file ticked_object.hh.

References countCycles(), cyclesSinceLastStopped(), and Event::scheduled().

◆ stop()

void Ticked::stop ( )

inline

Cancel the next tick event and issue no more.

Definition at line 132 of file ticked_object.hh.

References evaluate(), resetLastStopped(), Event::scheduled(), serialize(), and unserialize().

Referenced by Minor::Pipeline::evaluate().

◆ unserialize()

void Ticked::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements Serializable.

Reimplemented in TickedObject.

Definition at line 96 of file ticked_object.cc.

References lastStopped, and optParamIn().

Referenced by stop(), and TickedObject::unserialize().

Member Data Documentation

◆ event

EventFunctionWrapper Ticked::event

protected

The wrapper for processClockEvent.

Definition at line 67 of file ticked_object.hh.

Referenced by processClockEvent().

◆ idleCycles

Stats::Formula Ticked::idleCycles

protected

Number of cycles stopped.

Definition at line 90 of file ticked_object.hh.

Referenced by regStats().

◆ lastStopped

Cycles Ticked::lastStopped

protected

Time of last stop event to calculate run time.

Definition at line 76 of file ticked_object.hh.

Referenced by cyclesSinceLastStopped(), serialize(), Ticked(), and unserialize().

◆ numCycles

Stats::Scalar& Ticked::numCycles

protected

Total number of cycles either ticked or spend stopped.

Definition at line 84 of file ticked_object.hh.

Referenced by processClockEvent(), regStats(), and Ticked().

◆ numCyclesLocal

Stats::Scalar* Ticked::numCyclesLocal

private

Locally allocated stats.

Definition at line 80 of file ticked_object.hh.

Referenced by regStats(), and Ticked().

◆ object

ClockedObject& Ticked::object

protected

ClockedObject who is responsible for this Ticked's actions/stats.

Definition at line 64 of file ticked_object.hh.

◆ running

bool Ticked::running

protected

Have I been started? and am not stopped.

Definition at line 73 of file ticked_object.hh.

Referenced by processClockEvent(), and Ticked().

◆ tickCycles

Stats::Scalar Ticked::tickCycles

protected

Number of cycles ticked.

Definition at line 87 of file ticked_object.hh.

Referenced by processClockEvent(), and regStats().

The documentation for this class was generated from the following files:

sim/ticked_object.hh
sim/ticked_object.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Ticked()

◆ ~Ticked()

Member Function Documentation

◆ countCycles()

◆ cyclesSinceLastStopped()

◆ evaluate()

◆ processClockEvent()

◆ regStats()

◆ resetLastStopped()

◆ serialize()

◆ start()

◆ stop()

◆ unserialize()

Member Data Documentation

◆ event

◆ idleCycles

◆ lastStopped

◆ numCycles

◆ numCyclesLocal

◆ object

◆ running

◆ tickCycles